Unknown column '****' in 'field list' - MySQL

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Формулировка задачи:

Всем привет! При добавлении статьи, пишет: Unknown column 'Acme' in 'field list' ( после того, как отправил запрос в БД ). Там где указываю Acme - логин пользователя (никаких проверок нет). Как я понимаю, ошибка из-за того, что не заполнено/не найдена надпись Acme в колонке? Вроде теги все закрыты, лишних запятых нет. Сама логика построена не верно?
        <!-- Header (Logo. Slogan). Connect database -->
    <?php
    $base_path = $_SERVER["DOCUMENT_ROOT"]."/";
    define("BASE_PATH", $base_path);
    require_once $base_path . 'controller/config.php';
    
    if($_POST['submit']){
       $title = mysql_real_escape_string($_POST['title']);
       $keywords = mysql_real_escape_string($_POST['keywords']);
       $description = mysql_real_escape_string($_POST['description']);
       $anons = mysql_real_escape_string($_POST['anons']);
       $category = (int)$_POST['$category'];
       $date = date("Y-m-d");
       $author = mysql_real_escape_string($_POST['author']);
       $res = mysql_query("INSERT INTO `articles` SET
    `title`='{$title}',
    `keywords`='{$keywords}',
    `description`='{$description}',
    `date`='{$date}',
    `author`={$author},
    `anons`='{$anons}',
    `category`='{$category}'") or die(mysql_error());
       if(mysql_affected_rows() > 0){
           $_SESSION['res'] = '<strong>Статья успешно добавлена!</strong>';
           header("Location: add_article.php");
           exit;
       }else{
           $_SESSION['res'] = '<strong>К сожалению, что-то пошло не так. :(</strong>';
           header("Location: add_article.php");
           exit;
       }

    }
    ?>
    <!DOCTYPE html>
    <html lang="en">
    <head>
       <meta charset="utf-8">
       <meta http-equiv="X-UA-Compatible" content="IE=edge">
       <meta name="viewport" content="width=device-width, initial-scale=1">
       <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
       <title><?php echo A_NAME ?> - Добавление статьи</title>
       <!-- CKEDITOR ( http://ckeditor.com ) -->
       <script src="ckeditor/ckeditor.js"></script>
       <!-- AjexFileManager -->
       <script src="AjexFileManager/ajex.js"></script>
       <!-- Favicon -->
       <link rel="shortcut icon" type="image/icon" href="/assets/images/favicon.ico"/>
       <!-- Font Awesome -->
       <link href="/assets/css/font-awesome.css" rel="stylesheet">
       <!-- Bootstrap -->
       <link href="/assets/css/bootstrap.css" rel="stylesheet">
       <!-- Slick slider -->
       <link rel="stylesheet" type="text/css" href="/assets/css/slick.css"/>
       <!-- Fancybox slider -->
       <link rel="stylesheet" href="/assets/css/jquery.fancybox.css" type="text/css" media="screen" />
       <!-- Animate css -->
       <link rel="stylesheet" type="text/css" href="/assets/css/animate.css"/>
       <!-- Theme color -->
       <link id="switcher" href="/assets/css/theme-color/default.css" rel="stylesheet">
    
       <!-- Main Style -->
       <link href="/style.css" rel="stylesheet">
    
       <!-- Fonts -->
       <!-- Open Sans for body font -->
       <link href='https://fonts.googleapis.com/css?family=Open+Sans' rel='stylesheet' type='text/css'>
       <!-- Raleway for Title -->
       <link href='https://fonts.googleapis.com/css?family=Raleway' rel='stylesheet' type='text/css'>
       <!-- Pacifico for 404 page   -->
       <link href='https://fonts.googleapis.com/css?family=Pacifico' rel='stylesheet' type='text/css'>
       <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
       <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
       <!--[if lt IE 9]>
       <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
       <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
       <![endif]-->
    </head>
    <body>
    <!-- BEGAIN PRELOADER -->
    <!-- <div id="preloader">
     <div class="loader"> </div>
    </div> -->
    <!-- END PRELOADER -->
    
    <!-- SCROLL TOP BUTTON -->
    <a class="scrollToTop" href="#"><i class="fa fa-chevron-up"></i></a>
    <!-- END SCROLL TOP BUTTON -->
    
    <!-- Start menu section -->
    <section id="menu-area">
       <nav class="navbar navbar-default main-navbar" role="navigation">
           <div class="container">
               <div class="navbar-header">
                   <!-- FOR MOBILE VIEW COLLAPSED BUTTON -->
                   <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                       <span class="sr-only">Toggle navigation</span>
                       <span class="icon-bar"></span>
                       <span class="icon-bar"></span>
                       <span class="icon-bar"></span>
                   </button>
                   <!-- LOGO -->
                   <a class="navbar-brand logo" href="<?= A_URL ?>"><img src="/assets/images/logo.jpg" alt="logo"></a>
               </div>
               <div id="navbar" class="navbar-collapse collapse">
                   <ul id="top-menu" class="nav navbar-nav main-nav menu-scroll">
                       <li><a href="<?= URL ?>">Главная</a></li>
                       <li class="active"><a href="<?= A_URL ?>">Адмика</a></li>
                   </ul>
               </div><!--/.nav-collapse -->
               <div class="search-area">
                   <form action="">
                       <input id="search" name="search" type="text" placeholder="What're you looking for ?">
                       <input id="search_submit" value="Rechercher" type="submit">
                   </form>
               </div>
           </div>
       </nav>
    </section>
    <!-- End menu section -->
    <!-- Start blog banner section -->
    <section id="blog-banner">
       <img src="/assets/images/blog-banner.jpg" alt="Header Logo">
       <div class="blog-overlay">
           <div class="container">
               <div class="row">
                   <div class="col-md-12">
                       <div class="blog-banner-area">
                           <h2><?php echo A_SLOGAN;?></h2>
                       </div>
                   </div>
               </div>
           </div>
       </div>
    </section>
    <!-- End blog banner section -->
    
    <!-- /Header (Logo. Slogan). Connect database -->
    
    <!-- Start blog section -->
    <section id="blog">
       <div class="container">
           <div class="row">
               <div class="col-md-12">
                   <div class="blog-area">
                       <div class="row">
                           <div class="col-lg-8 col-md-7 col-sm-12">
                               <div class="blog-left blog-archive">
                                   <?php
                                       echo $_SESSION['res'];
                                       unset($_SESSION['res']);
                                   ?>
                                   <form method="post">
                                       <table>
                                           <tr>
                                               <td>
                                                   Название:
                                               </td>
                                               <td>
                                                   <input type="text" name="title" maxlength="255" size="50">
                                               </td>
                                           </tr>
                                           <tr>
                                               <td>
                                                   Ключевые слова:
                                               </td>
                                               <td>
                                                   <input type="text" name="keywords" maxlength="255" size="50">
                                               </td>
                                           </tr>
                                           <tr>
                                               <td>
                                                   Краткое описание:
                                               </td>
                                               <td>
                                                   <textarea name="anons" id="anons" cols="50" rows="5"></textarea>
                                                   <script>
                                                       var anons = CKEDITOR.replace('anons');
                                                       AjexFileManager.init({returnTo:'ckeditor',editor:anons});
                                                   </script>
                                               </td>
                                           </tr>
                                           <tr>
                                               <td>
                                                   Описание:
                                               </td>
                                               <td>
                                                   <textarea name="description" id="description" cols="50" rows="10"></textarea>
                                                   <script>
                                                       var description = CKEDITOR.replace('description');
                                                       AjexFileManager.init({returnTo:'ckeditor',editor:description});
                                                   </script>
                                               </td>
                                           </tr>
                                           <tr>
                                               <td>
                                                   Категория:
                                               </td>
                                               <td>
                                                   <select name="category">
                                                       <?php
                                                       $res = mysql_query("SELECT * FROM `category`");
                                                       while ($row = mysql_fetch_assoc($res)){
                                                           echo "<option value='{$row['id']}'>{$row['name']}</option>\r\n";
                                                       }
                                                       ?>
                                                   </select>
                                               </td>
                                           </tr>
                                           <tr>
                                               <td>
                                                   Автор:
                                               </td>
                                               <td>
                                                   <input type="text" name="author" maxlength="50" size="18">
                                               </td>
                                           </tr>
                                           <tr>
                                               <td colspan="2"><input type="submit" name="submit" value="Добавить"></td>
                                           </tr>
                                       </table>
                                   </form>
                               </div>
                           </div>
                           <!-- right sidebar -->
                           <?php include $base_path . A_VIEW . '/sidebar.php';?>
                           <!-- /right sidebar -->
                       </div>
                   </div>
               </div>
           </div>
       </div>
    </section>
    <!-- End blog section -->
    <!--footer/LOGO/Soc.icons/Copyright-->
    <?php include $base_path . A_VIEW . '/footer.php' ?>
    <!--/footer/LOGO/Soc.icons/Copyright-->

Решение задачи: «Unknown column '****' in 'field list'»

textual
Листинг программы
INSERT INTO <имя таблицы>[(<имя столбца>,...)]
{VALUES (<значение столбца>,…)}

Оцени полезность:

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